Lakeshore East Line GO Expansion

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Studies

Before a construction project can begin, Metrolinx undertakes various studies to help make decisions about the project. These studies include a business case, which presents evidence and analysis to explain why a project should be built, and an environmental assessment, which identifies potential impacts of a project and proposes ways to avoid, reduce or minimize them.

The following studies and reports were undertaken to support major work required to implement the GO Expansion program on the Lakeshore East Line.

Business Cases

Bowmanville Extension

Read the business cases for Bowmanville Extension

GO Expansion

Read the GO Expansion business case

Environmental Assessments

Bowmanville Extension

Read technical reports about Bowmanville Extension

East Harbour Transit Hub

Read technical reports about East Harbour Transit Hub

GO Electrification

Read the technical report for GO Electrification

Lakeshore East Rail Corridor

Read technical reports for Lakeshore East rail corridor expansion

New Track & Facilities

Read technical reports about new GO track and facilities.

Scarborough Junction Grade Separation

Read technical reports about the Scarborough Junction grade separation

Definitions

Find out what we mean when we talk about some of our reports, studies and processes.

A business case is a report that is written to explain why a project should be built. It includes the benefits that a project would deliver, as well as potential risks. Metrolinx creates business cases for major projects to secure approval before moving on to detailed project studies, such as the Transit Project Assessment Process. Business cases provide evidence to decision-makers, stakeholders, and the public as a crucial part of transparent and evidence-based decision making processes.